Finding the Fourth Proportional to 211,775,593.80, 317,663,390.70 and 211,775,593.80
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Solution
The fourth proportional to 211,775,593.80, 317,663,390.70 and 211,775,593.80 is: 317,663,390.70
Step by Step Solution
- Step 1: Write the proportion equation
211,775,593.80 : 317,663,390.70 = 211,775,593.80 : x - Step 2: Convert to fraction form
211,775,593.80/317,663,390.70 = 211,775,593.80/x - Step 3: Cross multiply
211,775,593.80x = 317,663,390.70 × 211,775,593.80 - Step 4: Simplify right side
211,775,593.80x = 67,273,353,194,013,896 - Step 5: Solve for x
x = 67,273,353,194,013,896/211,775,593.80 - Step 6: Final answer
x = 317,663,390.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.